// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_INSPECTOR_V8PROFILERAGENTIMPL_H_
#define V8_INSPECTOR_V8PROFILERAGENTIMPL_H_

#include <vector>

#include "src/base/macros.h"
#include "src/inspector/protocol/Forward.h"
#include "src/inspector/protocol/Profiler.h"

namespace v8 {
class CpuProfiler;
class Isolate;
}

namespace v8_inspector {

class V8InspectorSessionImpl;

using protocol::ErrorString;

class V8ProfilerAgentImpl : public protocol::Profiler::Backend {
    public:
        V8ProfilerAgentImpl(V8InspectorSessionImpl*, protocol::FrontendChannel*,
                            protocol::DictionaryValue* state);
        ~V8ProfilerAgentImpl() override;

        bool enabled() const {
            return m_enabled;
        }
        void restore();

        void enable(ErrorString*) override;
        void disable(ErrorString*) override;
        void setSamplingInterval(ErrorString*, int) override;
        void start(ErrorString*) override;
        void stop(ErrorString*,
                  std::unique_ptr<protocol::Profiler::Profile>*) override;

        void consoleProfile(const String16& title);
        void consoleProfileEnd(const String16& title);

        bool idleStarted();
        bool idleFinished();

        void collectSample();

    private:
        String16 nextProfileId();

        void startProfiling(const String16& title);
        std::unique_ptr<protocol::Profiler::Profile> stopProfiling(
            const String16& title, bool serialize);

        bool isRecording() const;

        V8InspectorSessionImpl* m_session;
        v8::Isolate* m_isolate;
        v8::CpuProfiler* m_profiler;
        protocol::DictionaryValue* m_state;
        protocol::Profiler::Frontend m_frontend;
        bool m_enabled;
        bool m_recordingCPUProfile;
        class ProfileDescriptor;
        std::vector<ProfileDescriptor> m_startedProfiles;
        String16 m_frontendInitiatedProfileId;

        DISALLOW_COPY_AND_ASSIGN(V8ProfilerAgentImpl);
};

}  // namespace v8_inspector

#endif  // V8_INSPECTOR_V8PROFILERAGENTIMPL_H_
